generate appimage out-of-the-box

generate-appimage.sh

#!/usr/bin/env bash

set -uexo pipefail

if [ ! -f linuxdeploy-x86_64.AppImage ]
then
  wget https://github.com/linuxdeploy/linuxdeploy/releases/download/continuous/linuxdeploy-x86_64.AppImage
fi
if [ ! -f linuxdeploy-plugin-appimage-x86_64.AppImage ]
then
  wget https://github.com/linuxdeploy/linuxdeploy-plugin-appimage/releases/download/continuous/linuxdeploy-plugin-appimage-x86_64.AppImage
fi

chmod +x linuxdeploy-*.AppImage
rm -rf appimage/appdir
mkdir -p appimage/appdir/usr/bin
cp $1 appimage/appdir/usr/bin/

bn=`basename $1`

echo "[Desktop Entry]
Name=$bn
Exec=$bn
Icon=$bn
Type=Application
Terminal=true
Categories=Development;" > appimage/$bn.desktop

convert -size 32x32 xc:white appimage/$bn.png

./linuxdeploy-x86_64.AppImage --appdir appimage/appdir -d appimage/$bn.desktop -i appimage/$bn.png --output appimage

rm -rf appimage/appdir

white-icon.png